virtualbox.org

I open a vmware machine(Windows7) with two disks, one scsi disk(D:), with no problems.
I create a virtualBox Machime(Windows7), install windows again, and add second disk(Scsi D:) of vmware machine, but windows don't see this disk (its appears in disk icon of virtual box)
How resolve this problem ? I dont want use vmware machine more, but I need a second disk.
Best regards
Claudio